<template>
  <view class="goods-item">
    <!-- 左侧盒子 -->
    <view class="goods-item-left">
        <radio :checked="goods.goods_state" color="#C00000"  v-if="showRadio"  @click="radioChangeHandle"/>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 右侧盒子 -->
    <view class="goods-item-right">
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
        <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandle"></uni-number-box>
      </view>
    </view>
  </view>
</template>
<script>
  export default {
    props:{
      goods:{
        type:Object,
        default:{}
      },
      showRadio: {
        type:Boolean,
        // 默认不显示
        default:false
      },
      showNum: {
        type:Boolean,
        default:false
      }
    },
    data() {
      return {
        // 默认图片
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      };
    },
    filters:{
      // 过滤器将数字处理为带两位小数点的数字
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods: {
      radioChangeHandle() {
        this.$emit('radioChange', {
          goods_id:this.goods.goods_id,
          goods_state:!this.goods.goods_state
        })
      },
      // value值变化触发change事件
      numChangeHandle(val) {
        // console.log(val)
        // 调用this.$emit方法触发父组件自定义事件，将id和购物车数量val值传给父组件
        this.$emit('num-change',{
          goods_id: this.goods.goods_id,
          goods_count: +val  // 保证是数字类型 
        })
      }
    }
  }
</script>
<style lang="scss">
  .goods-item {
    display: flex;
    box-sizing: border-box;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;
  
    .goods-item-left {
      display: flex;
      margin-right: 5px;
      justify-content: space-between;
      align-items: center;
      .goods-pic {
        width: 100px;
        height: 100px;
        display: block;
      }
    }
  
    .goods-item-right {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
  
      .goods-name {
        font-size: 13px;
      }
      .goods-info-box {
        display: flex;
        justify-content: space-between;
        align-items: center;
        .goods-price {
          font-size: 16px;
          color: #c00000;
        }
      }
      
      
    }
  }
</style>
